Siberian tigerInteresting facts and information

• Its coat changes with the seasons. Winter fur becomes longer and denser without turning white.
• Amur tigers and Amur leopards are different animals. One has stripes and the other rosettes, although they can share the same wider forest landscape.
• National borders are not biological boundaries. Tiger movements can connect forests in Russia and China.
• Snow preserves clues to its life. Tracks help researchers, while camera traps and genetic analyses add more precise information.
• A large male can still move quickly. Strength combines with quiet movements and a close-range attack.

The Amur tiger is among the largest tigers and living cats. Wild males usually weigh about 180–220 kg and can be about three metres long including the tail; the heaviest can exceed 250 kg. Females are smaller, usually about 100–170 kg.

It has the longest, thickest fur of any tiger, and a layer of fat on its belly and flanks helps protect it from winter temperatures that can fall below −30 °C.

Another notable feature is the space used. Where prey is scarce, territories can be very large. Extensive forest does not necessarily mean high tiger density: resources limit numbers.

The coat is usually relatively pale orange, with visible white areas on the cheeks, throat and underside. Individual stripe patterns allow researchers to recognise photographed animals.

Thick winter hair limits heat loss. A muscular body and powerful paws support movement across difficult ground.

It does not hibernate. It remains active in the cold season and must find food. In summer, its coat is shorter and looks brighter.

Adults live mainly alone, using ranges marked with scent and scratches. A female needs enough resources for herself and her cubs, while a male may range more widely.

Tigers can travel far in search of food. They use forest routes and sometimes logging roads, but busy infrastructure fragments habitat. Even a seemingly small road can alter human access and poaching risk.

They communicate through sounds and signals left in the environment. Solitary living does not prevent information exchange. Scent signals can help avoid some direct encounters and advertise breeding readiness.

Activity adapts to food, season and disturbance. There is no fixed hunting hour for every individual.

The core range lies in the Russian Far East, with populations also in north-eastern China. It includes temperate forests, valleys and wooded slopes, rather than treeless Arctic expanses.

In China, WCS monitors tigers and prey in landscapes such as Hunchun. Broadleaf forests and deer availability influence habitat use. A useful corridor must allow safe movement, rather than merely appear as a green strip on a map.

• Continuous forest allows movement between ranges.
• Wild prey supports survival and breeding.
• Low-disturbance areas matter for females with cubs.
• Cross-border cooperation helps protect a population that crosses national boundaries.

Woodland can look suitable yet be little used by tigers if prey has been hunted excessively.

Wild pigs and deer form the food base in many regions. Studies in the Russian Far East and China identify sika deer, roe deer and red deer among the prey. Their relative importance differs between places.

A tiger approaches quietly and makes a short attack. Powerful paws and jaws allow it to bring down a large mammal, but success is not guaranteed. A serious injury can reduce its ability to feed.

It may return to a large carcass. After a big kill, a tiger can eat a large amount of meat in one night and then rest nearby for several days.

Protecting tigers also requires protecting prey. Traps targeting other mammals and diseases affecting wild pigs can have indirect effects on these cats.

The female gives birth after approximately 100–106 days. She chooses secluded shelter, and cubs are initially helpless. Their eyes open after the first days of life, rather than at birth.

The mother nurses, defends and feeds them. Later the cubs accompany her and practise through play. Learning to hunt takes much longer than simply developing teeth.

Independence usually comes around two years of age, with variation. Young animals can travel far before settling. Habitat fragmentation affects them especially at this stage.

“Siberian” is the familiar name, while “Amur” is frequent in conservation to identify the north-east Asian region. The traditional subspecies name is Panthera tigris altaica.

The two-subspecies classification places it within Panthera tigris tigris, the mainland group. The IUCN Cat Specialist Group notes that subspecies boundaries remain under review. Classification changes do not erase population differences or the need to protect them in their own habitats.

The tiger is Endangered (EN), and the Amur population needs continuing protection. Prey depletion, poaching, forest fragmentation and some diseases remain threats.

WCS also describes signs of recovery in north-eastern China. For example, the tiger and leopard national park reported 70 tigers in 2024, including animals whose ranges extend across the Russian border. In Russia, a 2022 census counted about 750 Amur tigers, a remarkable recovery from only a few dozen in the 1940s.

Conservation includes snare removal, monitoring cats and prey, maintaining corridors and reducing conflict around homes. Genetic data help explain connections between isolated groups.

The image of an orange tiger in snow is a familiar way of presenting Far Eastern wildlife. Zoo educational materials use this contrast to explain cold adaptation.

The Amur tiger appears on the coat of arms of Primorsky Krai, and the city of Vladivostok celebrates Tiger Day every September. Tigers of this population once lived in Korea too, and Hodori, the mascot of the 1988 Seoul Olympic Games, was a friendly tiger.

Read about Tiger or explore: Sumatran tiger · Bengal tiger · Indochinese tiger · Malayan tiger · South China tiger.